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Home >> Kia >> 2020 >> K900 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 9) >> DTC P0139-00: O2 Sensor Circuit Slow Response (Bank 1/Sensor 2) >> Component Inspection
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Component Inspection

Inspection Condition (+) Probe (-) Probe Reference
Connector Terminal Connector Terminal
  1. Ignition "ON"., engine "ON".
HO2S#3 (B1/S2) connector 1 (sensor signal) Chassis ground - Figure below
HO2S#3 (B1/S2) connector 2 (sensor ground) Chassis ground -
G13133074Courtesy of KIA MOTORS AMERICA, INC.

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